CN2073848U

CN2073848U - Telescopic tube bicycle

Info

Publication number: CN2073848U
Application number: CN 89218298
Authority: CN
Inventors: 刘天来
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-10-20
Filing date: 1989-10-20
Publication date: 1991-03-27

Abstract

The utility model relates to a telescopic tube bicycle. The frame of the telescopic tube bicycle is basically arranged in a leather box, and corresponding holes are arranged on the leather box to enable a steering rod, a frame sleeve pipe which is especially used to install a vehicle seat and a rear axle frame to extend out of the leather box. The handle-bars of the telescopic tube bicycle can be folded and rotated to closed and cling to the top of the leather box with handle connecting rods, left and right pedals can be rotated to closed and cling to the surface of the leather box, and the vehicle seat can also be folded downwards. Therefore, after the telescopic tube bicycle is folded, the folded telescopic tube bicycle looks like a leather box and is very convenient to be carried on other means of communication.

Description

The bone bicycle contracts

The utility model relates to a kind of bone bicycle that contracts.

Bicycle is the vehicle that people's daily life be unable to do without.But the not Foldable bicycle of traditional type, a shortcoming is arranged:, more by bike, or except bicycle, also must take other the vehicle after getting off if need in the stroke earlier by bus, can arrive the destination, the bicycle of traditional type is just inapplicable so.

The purpose of this utility model provides a kind of bicycle of telescopic folding, takes other vehicle so that carry at any time.Another purpose of the present utility model provides the bicycle of a kind of telescopic folding in a leather trunk, and this bicycle can by bike adult or children all can not driven, and also can deposit article in the leather trunk.

The bone bicycle that contracts described in the utility model, comprise a vehicle frame, be inserted in the trailing wheel pedestal at vehicle frame rear portion, deflecting bar that end is equipped with front-wheel, by handle connecting rod and described deflecting bar bonded assembly handlebar, telescopic car sit, big minor sprocket, chain and left and right sides pedal and one is contained in whole vehicle frame interior and and the securing leather trunk of described vehicle frame.Eight holes have been opened on the leather trunk.Each hole, following front and back allows deflecting bar and the trailing wheel pedestal that two trailing wheels are housed pass in case respectively, and the perforation of trailing wheel pedestal also has two apertures that supply chain to pass nearby.Each side a hole allows respectively pass with left and right sides pedal rod bonded assembly rotating shaft.Two holes are arranged again at the leather trunk top, allow the vehicle seat sleeve pipe on deflecting bar and the vehicle frame pass in case respectively.

The part of the telescopic folding of this bicycle is handlebar, handle connecting rod, vehicle seat, left and right sides pedal.The left-hand tread plate axle is articulated on the pedal rod, removes behind the lasso with groove rotatable 90 °.The vehicle seat height is adjustable, after unclamping one piece of set screw, can be reduced to sleeve opening fully.The handle connecting rod is articulated in the deflecting bar top, after removing a circle cover, can rotate to and touch the leather trunk top.Handle connecting rod front end has the uniform aperture in a plurality of intervals, and left and right sides handlebar is articulated on the described handle connecting rod, and mat one connecting rod mechanism of locating by described aperture, can do 90 ° of rotations.

Handlebar is drawn in, and the handle connecting rod rotates to and touch the leather trunk top, left and right sides pedal is returned back to touch the leather trunk side again, makes in the whole retraction sleeve pipes of seat rod, can lift the suitcase and takes other vehicle.

The bone bicycle that contracts described in the utility model, easy to use, after the gathering, it is so big to be essentially a leather trunk, can guide and support and is multiplied by other vehicle.In addition, because two trailing wheels are arranged, can adult children by bike all can not use.In addition, can also deposit the article that need usefulness in the leather trunk, leather trunk has also played dustproof effect to the sprocket wheel chain.

Description of drawings is as follows: Fig. 1 is the running condition scheme drawing of the bone bicycle that contracts described in the utility model; Fig. 2 is described leather trunk scheme drawing; Fig. 3 is the structural representation of described rotatable pedal part; Fig. 4 is a trailing wheel pedestal scheme drawing; Scheme drawing when Fig. 5 draws in for the bone bicycle that originally contracts; Fig. 6, Fig. 7 and Fig. 8 are another embodiment scheme drawing.

Below in conjunction with all accompanying drawings, be described in detail the bone bicycle that contracts described in the utility model.

See Fig. 1, the bone bicycle that contracts described in the utility model, the deflecting bar that comprise a vehicle frame (1), insert trailing wheel pedestal G in the vehicle frame, front-wheel (2) is equipped with at terminal A place and the handle connecting rod (12) of deflecting bar pivot joint, install in the rotatable left and right sides of handle small end handlebar (14), end and be equipped with vehicle seat and can insert seat rod (19), hinge wheel (4), minor sprocket (5) and chain (6) and left and right sides pedal in the vehicle frame sleeve pipe, and one is contained in whole vehicle frame interior and is fixed in leather trunk on the described vehicle frame.

Leather trunk has hole (23), (24), (25), (26), (27), (28) and (29) as shown in Figure 2 on it.(23) and (27) pass leather trunk to described deflecting bar from the hole, (24) pass seat rod (19) from the hole, the rotating shaft (8) that left and right sides pedal rod (7) are housed is passed by hole (25), (26), and (29) pass trailing wheel pedestal G from the hole, and hole (28) (totally two) pass for chain (6).

Seat rod (19) rear side is a serration, utilizes a screw (20), seat rod (19) can be fixed in desired height, unclamps screw (20), also seat rod (19) can be taken in the vehicle frame sleeve pipe fully.

Left and right sides handlebar (14) is the F point place that is articulated on the handle connecting rod (12), and can rotate around the F point.Handlebar (14) end is handle (15).Have a plurality of apertures at handle connecting rod front end, a sliding sleeve (16) is enclosed within on the described handle connecting rod, and its both sides are articulated with two respectively in flakes, and the described other end in flakes is fixed in left and right sides handlebar.But described sliding sleeve mat has the pin bar (17) of spring and is positioned in the described aperture, and brake (18) is housed on right handlebar.With reference to shown in Figure 1, if press pin bar (17), the pin tip is deviate from from described hole, reach in flakes by means of sliding sleeve, left and right sides handlebar can be done about 90 ° rotation, and handlebar can be drawn in.In addition, the handle connecting rod is articulated in E place, deflecting bar upper end.When circle cover (13) partly entangled the pivot joint at E place, the handle connecting rod can not rotate around the E point; If will justify to move on the cover (13) and make it to leave described articulated section, handle connecting rod (12) can center on the E point and Rotate 180 °.Draw handlebar (14) in and handle connecting rod (12) is rotated to and touch the leather trunk top, can significantly reduce bicycle and take up space.

Leather trunk mat hole shown in Figure 2 (23), (27), (29), and screw shown in Figure 1 (21), (22) and and vehicle frame (1) fix.The hole in all holes, particularly top on the leather trunk can install gum cover additional, in order to avoid rainwater enters in the case.

Left-hand tread plate (10) as shown in Figure 3, is to be articulated in the terminal groove of pedal rod (7).On described pedal rod (7), overlapping a lasso (11) with shrinkage pool (111).When lasso (11) moves to the lower end, when the spring on it (112) hooked aperture (101) on the pedal shaft, shrinkage pool (111) just in time entangled pedal shaft, made pedal (10) can not center on the terminal pivot of pedal rod (7) and rotated.If with upwards slippage of lasso (11), make shrinkage pool (111) break away from pedal shaft, pedal (10) gets final product half-twist, until touching leather trunk.Rotating shaft (8) is inserted in the upper end of pedal rod (7), the end of rotating shaft (8) has through hole, corresponding with the aperture (71) on the pedal rod (7), by means of the pin bar (9) that has spring (92), pin (91) is inserted in the aperture (71), and the through hole in the insertion rotating shaft (8), pedal rod (7) can be fixed in the rotating shaft (8).Described pin bar (9) is installed in a support (93) and is gone up also and can rotate around described support (93).

Right-hand tread plate stretches out (not shown) from the hole (25) on leather trunk right side, and its structure is identical with left-hand tread plate, is made of the part identical with pedal rod (7) with pedal shown in Figure 3 (10), makes right-hand tread plate also can fold gathering.

Trailing wheel pedestal G.As shown in Figure 4.Its upper end has through hole G1, but mat one pin and be fixed in B place on the vehicle frame (1).Pedestal G is provided with left and right sides ball bearing of main shaft G3, G2, and two trailing wheels (3) about being provided with.There is a little sprocket wheel (5) at D place on the pedestal, install in the right side, mat chain (6) and be installed in vehicle frame (1) and go up the hinge wheel (4) at C place and link.

After above-mentioned each scalable part was drawn in, this bicycle only was a leather trunk size just as shown in Figure 5 basically.

Another kind of according to the bone bicycle that contracts of the present utility model, shown in Fig. 6,7,8.See Fig. 6, this bone bicycle that contracts as another embodiment does not have one in order to hold the leather trunk of vehicle frame.This bone bicycle that contracts, the gathering principle of its handlebar, vehicle seat and pedal and method are with above-mentioned identical.Its difference is.The handle connecting rod is to be sheathed in the deflecting bar, and can do just to adjust up and down.And fixing of handle connecting rod adopts a pin bar of being located at the deflecting bar top to realize.The pin of described pin bar can pass a through hole of being located at the deflecting bar top and block in a plurality of serrated slot on the handle connecting rod, uses and fixes it.In addition, be provided with two ball bearing of main shafts (30) at the H position of vehicle frame, in order to portion and rear portion before the hinge vehicle frame, portion can be around the rotation freely by the formed vertical axis of two bearings (30) before to make vehicle frame.When handlebar, handle connecting rod and vehicle seat draws in and portion before the vehicle frame is returned back to when being adjacent to the vehicle frame rear portion around above-mentioned vertical axis, whole bicycle takes up space and dwindles greatly, as shown in Figure 7.Described ball bearing of main shaft (30) as shown in Figure 8.

Claims

1. bone bicycle that contracts, comprise a vehicle frame (1), insert trailing wheel pedestal, end in the vehicle frame and the deflecting bar of front-wheel (2) and handle connecting rod (12) that deflecting bar articulates are housed, install in the rotatable left and right sides of handle small end handle (14), end and be equipped with vehicle seat and can insert seat rod (19), hinge wheel (4), minor sprocket (5) and chain (6) in the vehicle frame sleeve pipe, with left and right sides pedal, it is characterized in that

A. whole vehicle frame is contained in the leather trunk that is fixed on the described vehicle frame, offer hole (23) and (27) that the above deflecting bar passes on the described leather trunk, the hole that seat rod is passed (24), the hole that the rotating shaft of left and right sides pedal rod is passed (25) and (26), the hole that the trailing wheel pedestal passes (29), and the hole (28) that allows chain pass

The rear side indention of b. described seat rod (19), and be provided with a screw (20) in order to regulate described seat rod height,

C. described left and right sides handlebar (14), be articulated on the handle connecting rod (12), and can rotate around pivoting point, have aperture at handle connecting rod front end, a sliding sleeve (16) is sheathed on the described handle connecting rod, and its both sides are articulated with two respectively in flakes, the described other end in flakes is connected to left and right sides handlebar, but one on described sliding sleeve mat has the pin bar (17) of spring and is positioned in the described aperture, and described handle connecting rod is articulated in described deflecting bar upper end, and is arranged with a circle cover (13) in the pivot joint part.

D. described left-hand tread plate (10) is articulated in the groove that pedal rod (7) end offers, on described pedal rod (7), be arranged with a lasso (11) with a shrinkage pool (111), when described lasso (11) when moving to the lower end, described shrinkage pool (111) just in time entangles pedal shaft.

2. bone bicycle according to claim 1 contracts, it is characterized in that, described leather trunk mat hole (23), (27), (29) and two pieces of screws (21), (22) and and described vehicle frame (1) fix all holes on the leather trunk, particularly the hole on top all adds the gum cover that anti-rainwater is used.

3. the bone bicycle that contracts as claimed in claim 1 or 2 is characterized in that the anglec of rotation of described left and right sides handlebar is about 90 °.